Chemical Engineering Thermodynamics Pressure-enthalpy chart is useful in refrigeration. The change in internal energy of an ideal fluid used in ideal refrigeration cycle is Negative Infinity Positive Zero Negative Infinity Positive Zero ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Gibbs-Duhem equation relates composition in liquid phase and the __________ at constant temperature & pressure. Activity co-efficient A, B, and C Partial pressure Fugacity Activity co-efficient A, B, and C Partial pressure Fugacity ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics With increase in temperature, the internal energy of a substance Increases May increase or decrease; depends on the substance Decreases Remains unchanged Increases May increase or decrease; depends on the substance Decreases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The absolute entropy for all crystalline substances at absolute zero temperature is Indeterminate Negative More than zero Zero Indeterminate Negative More than zero Zero ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following is not a common refrigerant? Freon-12 Ammonia Ethylene Carbon dioxide Freon-12 Ammonia Ethylene Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The adiabatic throttling process of a perfect gas is one of constant enthalpy In which there is an increase in temperature In which there is a temperature drop Which is exemplified by a non-steady flow expansion Which can be performed in a pipe with a constriction In which there is an increase in temperature In which there is a temperature drop Which is exemplified by a non-steady flow expansion Which can be performed in a pipe with a constriction ANSWER DOWNLOAD EXAMIANS APP
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